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| 1 | Techniques and accuracy of thoracolumbar pedicle screw placement显示文摘Pedicle screw instrumentation has been used to stabilize the thoracolumbar spine for several decades. Although pedicle screws were originally placed via a freehand technique, there has been a movement in favor of pedicle screw placement with the aid of imaging. Such assistive techniques include fluoroscopy guidance and stereotactic navigation. Imaging has the benefit of increased visualization of a pedicle's trajectory, but can result in increased morbidity associated with radiation exposure, increased time expenditure, and possible workflow interruption. Many institutions have reported high accuracies with each of these three core techniques. However, due to differing definitions of accuracy and varying radiographic analyses, it is extremely difficult to compare studies side-by-side to determine which techniques are superior. From the literature, it can be concluded that pedicles of vertebrae within the mid-thoracic spine and vertebrae that have altered morphology due to scoliosis or other deformities are the most difficult to cannulate. Thus, spine surgeons would benefit the most from using assistive technologies in these circumstances. All other pedicles in thethoracolumbar spine should theoretically be cannulated with ease via a free-hand technique, given appropriate training and experience. Despite these global recommendations, appropriate techniques must be chosen at the surgeon's discretion. Such determinations should be based on the surgeon's experience and the specific pathology that will be treated. | Varun Puvanesarajah Jason A Liauw Sheng-fu Lo Ioan A Lina Timothy F Witham | 2014 | World Journal of Orthopedics2014，5，2： | 7 |
| 2 | Effect of vitamin?D supplementation on glycaemic control and insulin resistance: a systematic review and meta‐analysis显示文摘 | P. S. George E. R. Pearson M. D. Witham | 2012 | Diabetic Medicine2012，，8： | 2 |
| 3 | Hydriding behavior of gas-atomized AB5 alloys 显示文摘 | BOWMAN JR R C WITHAM C FULTZ B | 1997 | J Alloys Comp1997，，： | 2 |
| 4 | Occult transfixation of the sig- moid colon by suprapubic catheter显示文摘 | Witham M D Martindale A D | 2002 | Age Ageing2002，31，： | 1 |
| 5 | A phase il study evaluating the use of concurrent mitomycin C and capecitabine in patients with advanced unresectable pseu- domyxoma peritonei显示文摘 | Farquharson AL Pranesh N Witham G | 2008 | Br J Cancer2008，99，4： | 1 |
| 6 | Post - operative infection af- ter minimally invasive versus open transforaminal lumbar interbody fusion (TLIF) : literature review and cost analysis 显示文摘 | Parker SL Adogwa O Witham TF | 2011 | Minimally ln- vasive Neurosurg2011，54，01： | 1 |
| 7 | Effect of vitamin D on blood pressure:a systematic review and meta-analysis显示文摘 | Witham MD Nadir MA Struthers AD | 2009 | J Hypertens2009，27，10： | 1 |
| 8 | Vitamin D therapy to reduce blood pressure and left ventricular hypertrophy in resistant hypertension:randomized,controlled trial显示文摘 | Witham MD Ireland S Houston JG | 2014 | Hypertension2014，63，4： | 1 |
| 9 | Cholecalciferol treatment to reduce blood pressure in older patients with isolated systolic hypertension: the VitDISH randomized controlled trial显示文摘 | Witham MD Price RJ Struthers AD | 2013 | JAMA Intern Med2013，173，18： | 1 |
| 10 | Electrochemical studies on LaNi5-xSnx metal hydride alloys显示文摘 | Ratnakumar B V Witham C Bowman R C Jr Hightower A Fultz B | | 0，，： | 1 |
| 11 | Meta- analysis of B-type natriuretic peptide's ability to identify stress induced myocardial ischemia显示文摘 | Nadir MA Witham MD Szwejkowski BR | 2011 | Am J Cardiol2011，107，： | 1 |
| 12 | The role of research trai-ning during higher medical education in the promotion of academicmedicine in the UK显示文摘 | Myint PK MacLullich AM Witham MD | 2006 | Postgrad Med J2006，82，973： | 1 |
| 13 | Particulate matter at a rural location in southern England during 2006: Model sensitivities to precursor emissions显示文摘 | Richard Derwent Claire Witham Alison Redington Michael Jenkin John Stedman Rachel Yardley Garry Hayman | 2008 | Atmospheric Environment2008，，3： | 1 |
| 14 | Vitamin D improves endothelial function in patients with type 2 diabetes mellitus and low vitamin D levels 显示文摘 | Sugden JA Davies JI Witham MD | 2008 | Diabet Med2008，25，3： | 1 |
| 15 | The characterization of tumor apoptosis after experimental radiosurgery 显示文摘 | Witham TF Okada H Fellows W | 2005 | Stereotact Funct Neurosurg2005，83，1： | 1 |
| 16 | Citizenship in Post-9/11 United States :A Role for Geography Education? 显示文摘 | Sarah Witham Bednarz | 2003 | International Research in Geographical and Environmental Education2003，12，1： | 1 |
| 17 | Survival of patients with high grade glioma treated with intrathecal thiotriethylenephosphoramide for ependymal or leptomeningeal gliomatosis显示文摘 | Witham T Fukui MB Meltzer CC | 1999 | Cancer1999，86，7： | 1 |
| 18 | Hydrogen adsorption and cohesive energy of single-walled carbon nanotubes显示文摘 | Ye Y Ahn C C Witham C | 1999 | Appl Phys Lett1999，74，16： | 1 |
| 19 | Analysis of changes in 3D surface texture anisotropy ratio parameter and friction during sheet rolling campaigns显示文摘 | Kang K Pelow C Witham L | 2008 | Wear2008，264，56： | 1 |
| 20 | Surgical management of cervical spondylotic myelopathy 显示文摘 | Hsu W Dorsi M J Witham T F | 2009 | Neurosurg Q2009，19，4： | 1 |
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